20591936

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:247

約数の個数: 56

約数和(自身を含む): 43013376

約数和(自身を除く): 22421440

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 97, 107, 124, 194, 214, 248, 388, 428, 496, 776, 856, 992, 1552, 1712, 1984, 3007, 3104, 3317, 3424, 6014, 6208, 6634, 6848, 10379, 12028, 13268, 20758, 24056, 26536, 41516, 48112, 53072, 83032, 96224, 106144, 166064, 192448, 212288, 321749, 332128, 643498, 664256, 1286996, 2573992, 5147984, 10295968, 20591936]

約数ペア:

[(1, 20591936), (2, 10295968), (4, 5147984), (8, 2573992), (16, 1286996), (31, 664256), (32, 643498), (62, 332128), (64, 321749), (97, 212288), (107, 192448), (124, 166064), (194, 106144), (214, 96224), (248, 83032), (388, 53072), (428, 48112), (496, 41516), (776, 26536), (856, 24056), (992, 20758), (1552, 13268), (1712, 12028), (1984, 10379), (3007, 6848), (3104, 6634), (3317, 6208), (3424, 6014)]